Smoke-consumer and spark-arrester.



No. 771,406.v V PATENTED OCT. 4, 1904. Y G. WILLETT.

SMOKE CONSUMER AND SPARK ARRESTER. APPLICATION FILED JULY 1, 1904.,

NO MODEL.

"6" E o L 2 h wefifoz Wane/bow I I I attain UNITED STATES fPatented.October 4, 1904'.

PATENT OFFICE.

GEORGE WILLETT, OF CHICAGO, ILLINOIS, ASSIGNOR OF ONE-HALF TO ROGER W.HARRIS, OF CHICAGO, ILLINOIS.

SMOKE-CONSUMER AND SPARK-ARRESTER.

SPECIFICATION forming part of Letters Patent No. 771,406, dated. October4, 1904. Application filed July 1, 1304. Serial No. 214,839. (No model.)

To all whom, it'mmy concern:

Be it known that I, GEORGE WILLETT, a citizen of the United States,residing at Chicago, in the county of Cook and State of Illinois, haveinvented certain new and useful Improvements in Smoke-Consumers andSpark-Ar resters; and I do declare the following to be a full, clear,and exact description of the invention, such as will enable othersskilled in the art to which it appertains to make and use the same.

This invention relates to improvements in smoke consuming and sparkarresting clevices.

The object of the invention is to provide a device or attachment forsmoke-stacks whereby the sparks, soot, and heavier products ofcombustion which pass through the stack are removed from the smoke andcaught ina suitable receptacle and the sparks extinguished.

A further object is to provide a device of this character which will besimple in construction, efficient in operation, and readily applied toany form of stack.

With these and other objects in'view the invention consists of certainnovel features of construction, combination,and arrangement of parts, aswill be more fully described, and particularly pointed out in theappended claims.

In the accompanying drawing is shown a diagrammatical sectional view ofthe device applied to the upper end of asmoke-stack.

Referring more particularly to the drawing, 1 denotes a smoke-stack, tothe upper end of which is attached an upwardly-projecting extension 2',to which is connected a downwardly-opening elbow 3. To the extension 2is secured a laterally-projecting bracket 4, on the outer end of whichis supported an open tank or receptacle 5, which is adapted to containwater. The downwardly-projecting open end of the elbow 3 is adapted toextend into the tank a short distance, so that the soot and sparkspassing through the stack will be conducted into the tank and depositedinto the water contained therein.

Through the bottom of the tank projects the upper end of an overflow ordrain pipe 6, said end extendinga short distance above the bottom of thetank, as shown, thereby allowing some water to stand in the tank at alltimes. The lower end of the pipe 6 is connected with and opens into theupper side of a filter-tank 7, in which is arranged a series offiltering devices or screens 8, through which the dirty water from thetank 2 passes. The filtering devices are preferably arranged in ahorizontal series one above the other, forming compartments 9 betweenthe same. In one side of the tank is formed a clear-water compartment10, with which the lowermost filter-compartment is connected and intowhich the filtered water passes.

Connected with the clear-water compartment 10 is a water elevatingdevice 12, by

.which the filtered water may be raised and deposited in the tank 5,thereby repeatedly using the same water. The elevating device 12consists of an upright return-pipe 13, the upper end of which is bentlaterally and downwardly, as at 14, and enters the downwardlyextendingend of the smoke-pipe elbow and is provided with a spray-nozzle 15. Nearits lower end the pipe 13 is connected with a section of pipe 16, havinga branch 17, and with said branch 17 is connected the upper end of pipe18, the lower end of which is connected with the clear-water compartment10. The pipe 18 is provided with a valve 19, whereby the flow of waterfrom said compartment may be cut off.

WVith the lower end of the pipe 13 below the branched section 17 areconnected a steampi'pe 20 and a compressed-air pipe 21, by which eithersteam or compressed air may be supplied to the pipe 13 separately ortogether. The pipes 20 and 21 are respectively provided with valves 22and 23, whereby one or both may beturned on or ofl' from communicationwith the pipe 13.

While the stack 1 is described as being provided with anupwardly-projecting extension 2, having a downwardly-opening elbow 3, itis obvious that the extension and elbow may be dispensed with and theopen end of the stack curved downwardly or formed in any manner todirect the products of combustion into the tank of water.

In operation the valves of one or the other, or both, the steam andcompressed-air pipes are turned on, thereby allowing steam or air, orboth, to pass upwardly through the pipe 13, thus creating a suction anddrawing the water from the clear-water compartment up through the pipe13,frorn which it is discharged through the nozzle 15 in the form of aspray, which draws or forces the smoke, soot, and sparks from thesmokepipe down into the water in the tank 5, where they will be absorbedby said water and pass off with the same through the drain-pipe 6 to thefiltering-tank, where they are again separated from the water by thescreens or filters 8 and from which they are removed.

A device constructed as herein shown and described will be particularlyadapted for catching and extinguishing hot einders and sparks which maycome through the smokestack and which would otherwise pass out of thestack and possibly fall upon inflammable material, igniting the same,thereby causing a serious fire. \Vith the use of a device as shown anddescribed in the invention dangers of this kind would be obviated andthe smoke would be relieved of soot and other products which cause thedense blackness so much objected to in smoke arising from the burning ofsoft coal or fuel of any kind.

From the foregoing description, taken in connection with theaccompanying drawings, the construction and operation of the inventionwill be readily understood without requiring a more extendedexplanation.

Various changes in the form, proportion, and the minor details ofconstruction may be resorted to without departing from the principle orsacrificing any of the advantages of this invention.

Having thus described my invention, what 1 claim as new, and desire tosecure by Letters Patent, is-

1. In a device of the character described, the combination with asmoke-stack having a downwardly-opening upper end, of a tank orreceptacle arranged beneath said open end, an overflow-pipe arranged insaid tank, means whereby the water passing through said pipe will befiltered, and means for returning said filtered water to said tank,substantially as described.

2. ln adevice of the character described, the combination with asmoke-stack, of a downwardly-opening elbow secured to the upper end ofthe same, a tank or receptacle arranged beneath the open end of saidelbow, an overalso arranged in said tank and in communication with thelast filter-compartment to receive the water after passing through saidfilters, and means connected with said clear-water compartm ent forreturning said clear water to said tank, substantially as described.

3. In a device of the character described, the combination with asmoke-stack, of a downwardly-opening elbow secured to the upper end ofthe same, a tank or receptacle arranged beneath the open end of saidelbow, an overflow-pipe arranged in said tank, a filteringtank arrangedat the end of said pipe a branched return-pipe connected with saidfiltering-tank whereby the filter-water therein may be returned to saidtank or receptacle at the upper end of said overflow-pipe, a spraynozzlearranged on the upper end of said return-pipe and within and above theopen end of said elbow, and means whereby said clear water may be forcedup said return-pipe, substantially as described.

4. In a device of the character described, the combination with asmoke-stack, of a downwardly-opening elbow secured to the upper end ofthe same, a tank or receptacle arranged beneath the open end of saidelbow, an overflow-pipe having its upper end projecting up into saidtank or receptacle, a filtering-tank arranged at the lower end of saidpipe, hori- Zontally disposed screens or filters spaced apart andarranged in said tank to form compartments between the former, aclear-water compartment also arranged in said tank, a return-pipe havinga curved upper end opening into the discharge end of said smoke-pipeelbow, a spray-nozzle secured to said end of the return-pipe, a valvedbranch pipe connecting said return-pipe with said clear-watercompartment, and valved steam and compressedair pipes connected with thelower end of said return pipe whereby either or both compressed air orsteam may be turned into said pipe, substantially as described.

In testimony whereof I have hereunto set my hand in presence of twosubscribing witnesses.

GEORGE WILLETT.

WVitnesses:

S. A. LAI-ILUM, ELIZABETH DAVEY.

